package com.sx.art2.service;

import java.util.List;

import com.sx.art2.beans.Stock;

public interface StockService {
	List<Stock> list();
	void add(Stock stock);	
	void delete(int stockId);
	Stock selectById(int id);
	void update(Stock stock);
	List<Stock> list2(String artAdddate);
	int select();
}
